Own metal chips Our metal chips (mainly brass), which is produced during the processing of EVVA locking cylinders, is 100% recycled – and has been for many decades! They are melted down by the supplier

elements (= highly secure storage elements that actively encrypt and decrypt) can be found in the locking components and identification media Block dangers early. EVVA has been using an AI program that checks

particularly brass, nickel silver, cardboard, oils, emulsions, key blanks, etc. for the production of lock cylinders and keys. The potential for recycling and resource conservation is correspondingly diverse

into operation, e.g. for key cutting, cylinder bodys and one for the production of high-quality locking cylinder plugs – it was named "Constantin II" after a son of the owner family. Constantin II alone

“Purchased goods”. The brass rods that EVVA purchases from these manufacturers for the production of lock cylinders and key contain much more recycled material than before. This was already the case in 2020